Burke: Erythranthe tilingii vs. Erythranthe breweri

	Erythranthe tilingii	Erythranthe breweri
		Brewer's monkey-flower
Habit	Mat-forming perennial from well-developed, creeping rhizomes, often with stolons as well, the stems 0.5-2 dm. tall, mostly glabrous.	Slender annual, the stem simple or sparingly branched, up to 15 cm. tall, purplish tinged and covered with stalked glands.
Leaves	Leaves opposite, mostly sessile, the blade under 2.5 cm. long, elliptic to ovate, slightly reduced upward, with a few irregular teeth, sub-palmately veined.	Leaves opposite, linear to linear-oblanceolate, 1-2 cm. long and 1-4 mm. wide.
Flowers	Flowers few, solitary in the leaf axils, on long pedicels; calyx 5-toothed, irregular, the upper tooth much the largest, the 2 lower ones tending to fold upward; corolla large for the size of the plant, 2-4 cm. long, strongly bilabiate, with flaring throat, yellow with maroon dots or splotches on the pubescent lower lip; stamens 4.	Flowers solitary in the leaf axils, the pedicels usually longer than the calyx; calyx 5-lobed, 5-angled, the lobes short with prominent mid-veins; corolla light purple to nearly red, slightly bilabiate, 5-10 mm. long and up to 2 mm. wide; stamens 4.
Fruit	Capsule.	Capsule.

	Erythranthe tilingii	Erythranthe breweri
Flowering time	July-September	June-August
Habitat	Wet meadows and wet, rocky slopes at high elevations in the mountains.	Dry to moist open woods and meadows from middle elevations in the mountains to the subalpine.
Distribution	In the Cascade and Olympic Mountains of Washington; Alaska south to California, east to Montana, Colorado and New Mexico. [WildflowerSearch map]	Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to Montana, Wyoming, and Utah. [WildflowerSearch map]
Origin		Native
Conservation status	Not of concern	Not of concern
Sibling taxa	E. alsinoides, E. ampliata, E. arvensis, E. breviflora, E. breweri, E. caespitosa, E. cardinalis, E. decora, E. dentata, E. floribunda, E. grandis, E. guttata, E. inflatula, E. jungermannioides, E. lewisii, E. microphylla, E. moschata, E. nasuta, E. patula, E. primuloides, E. ptilota, E. pulsiferae, E. scouleri, E. suksdorfii, E. washingtonensis	E. alsinoides, E. ampliata, E. arvensis, E. breviflora, E. caespitosa, E. cardinalis, E. decora, E. dentata, E. floribunda, E. grandis, E. guttata, E. inflatula, E. jungermannioides, E. lewisii, E. microphylla, E. moschata, E. nasuta, E. patula, E. primuloides, E. ptilota, E. pulsiferae, E. scouleri, E. suksdorfii, E. washingtonensis
Web links	Local floras: BC, CA, OR Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Erythranthe tilingii

Erythranthe breweri

Brewer's monkey-flower

Habit

Mat-forming perennial from well-developed, creeping rhizomes, often with stolons as well, the stems 0.5-2 dm. tall, mostly glabrous.

Slender annual, the stem simple or sparingly branched, up to 15 cm. tall, purplish tinged and covered with stalked glands.

Leaves

Leaves opposite, mostly sessile, the blade under 2.5 cm. long, elliptic to ovate, slightly reduced upward, with a few irregular teeth, sub-palmately veined.

Leaves opposite, linear to linear-oblanceolate, 1-2 cm. long and 1-4 mm. wide.

Flowers

Flowers few, solitary in the leaf axils, on long pedicels;

calyx 5-toothed, irregular, the upper tooth much the largest, the 2 lower ones tending to fold upward;

corolla large for the size of the plant, 2-4 cm. long, strongly bilabiate, with flaring throat, yellow with maroon dots or splotches on the pubescent lower lip;

stamens 4.

Flowers solitary in the leaf axils, the pedicels usually longer than the calyx;

calyx 5-lobed, 5-angled, the lobes short with prominent mid-veins;

corolla light purple to nearly red, slightly bilabiate, 5-10 mm. long and up to 2 mm. wide;

stamens 4.

Fruit

Capsule.